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. 2017 Mar 24;8(24):39001–39011. doi: 10.18632/oncotarget.16545

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Copyright: © 2017 Tang et al.

This article is distributed under the terms of the Creative Commons Attribution License (CC-BY), which permits unrestricted use and redistribution provided that the original author and source are credited.

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Representative images of in situ hybridization for AFAP1-AS1 (A & B) and immunohistochemical staining for PD-1 (C & D) are shown. AFAP1-AS1 and PD-1 are negatively expressed in adjacent non-tumor NPE tissue (A & C) but highly expressed in infiltrating lymphocytes (B & D).